weather and climate
weather and climate video (the difference)
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Elements of weather: Wind is air in motion. Air molecules tend to move from areas of high pressure to low pressure. Theoretically, cold dense air from the Polar regions should blow towards the equator and fill the void where heat warms up the air and causes air molecules to rise and spread out . However, the spinning of the Earth exerts a force on these currents of air, making them deflect to the left in the Northern Hemisphere and to the right in the Southern Hemisphere. This is called the Coriolis Effect. Other local factors affect wind speed and direction such as the uneven heating of the Earth's surface, and the presence of mountains. Winds transport heat and coldness, moisture and dust for great distances and is has a significant influence on weather conditions. Wind speed is measured by an anemometer while wind direction is measured by a wind vane or wind sock . The Coriolis effect
Weather and climate Meaning of weather - Weather is the condition of the atmosphere in a given place over a short period of time, usually 24 hours. - Here is a diagram with examples of different types of weather. Meaning of c limate - Climate is the average weather usually taken over a 30-year time period for a particular region and time period. - Climate is not the same as weather, but rather, it is the average pattern of weather for a particular region. Weather Methods of observing weather. Traditional methods Traditional methods include observing the following: Migration of certain types of birds. Dew on the grass early in the morning Presence of the full moon Other methods include: The croaking of frogs. The direction and strength of the wind. Different types of clouds present in the sky. Different types of clouds in the sky. Appearance and movement of ants. Appearance of the rainbow. Behaviour of cattle. The shedding of leaves of some trees. Appearanc...
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